void _gesturesinterpreter_Scale(object sender, GestureScaleEventArgs e)
{
// Use GestureDetected event insted from this.Gestures object property
/*
if (e.ScaleFactor <= 0.94 && !_scrollertransformhelper.IsRunning && !_gesturescale)
{
_gesturescale = true;
//
IEnumerable<UIElement> hits = VisualTreeHelper.FindElementsInHostCoordinates(e.FingerA.StartPosition, Application.Current.RootVisual);
foreach (FrameworkElement el in hits)
{
bool hookable = (bool)el.GetValue(HookableProperty);
if (hookable)
{
_scrollertransformhelper.Delay = 0.5D;
ZoomToElement(el, _scrollertransformhelper.Scale * 0.5); //e.ScaleFactor);
break;
}
}
}
else if (e.ScaleFactor >= 1.06 && !_scrollertransformhelper.IsRunning && !_gesturescale)
{
_gesturescale = true;
//
IEnumerable<UIElement> hits = VisualTreeHelper.FindElementsInHostCoordinates(e.FingerA.StartPosition, Application.Current.RootVisual);
foreach (FrameworkElement el in hits)
{
bool hookable = (bool)el.GetValue(HookableProperty);
if (hookable)
{
_scrollertransformhelper.Delay = 0.5D;
ZoomToElement(el, _scrollertransformhelper.Scale / 0.5); //e.ScaleFactor);
break;
}
}
}
*/
}
void _gesturesinterpreter_Scale(object sender, GestureScaleEventArgs e)
{
if (Scale != null) Scale(this, e);
}
void MultiScaleImage_Scale(object sender, GestureScaleEventArgs e)
{
if (e.ScaleFactor != 1)
{
_zoomfactor *= e.ScaleFactor;
Point zoomcenter;
if (GesturesInterpreter.Fingers.Count > 1)
{
double d = Utility.Vector2D.Distance(e.FingerA.Position, e.FingerB.Position);
double a = Utility.Vector2D.GetAngle(e.FingerA.Position, e.FingerB.Position);
Point c = Utility.Vector2D.GetPoint(e.FingerA.Position, d / 2, a * Math.PI / 180);
zoomcenter = Application.Current.RootVisual.TransformToVisual(_msi).Transform(c);
}
else
{
zoomcenter = new Point((this.ActualWidth / 2), (this.ActualHeight / 2));
zoomcenter = Application.Current.RootVisual.TransformToVisual(_msi).Transform(zoomcenter);
}
Zoom(e.ScaleFactor, zoomcenter);
}
}
void _gesturesinterpreter_Scale(object sender, GestureScaleEventArgs e)
{
//_transformhelper.Scale *= (e.ScaleFactor);
//this.Opacity = (_transformhelper.Scale <= 1 ? _transformhelper.Scale : 1);
if (_currentcanvas == null)
{
IEnumerable<UIElement> hitresults = VisualTreeHelper.FindElementsInHostCoordinates(_gesturesinterpreter.Centroid, this);
foreach (UIElement el in hitresults)
{
if (el is MIRIA.UIKit.TCanvas)
{
_currentcanvas = (el as MIRIA.UIKit.TCanvas);
_currentcanvas.SetValue(TCanvas.ZIndexProperty, 255);
break;
}
}
}
if (_currentcanvas != null && _currentcanvas.TransformHelper.Scale != 1.3 && !_openeventfired)
{
_currentcanvas.TransformHelper.Scale *= e.ScaleFactor;
if (_currentcanvas.TransformHelper.Scale < 1.0)
_currentcanvas.TransformHelper.Scale = 1.0;
else if (_currentcanvas.TransformHelper.Scale > 1.3)
{
_currentcanvas.TransformHelper.Scale = 1.3;
}
if (_currentcanvas.TransformHelper.Scale == 1.3)
{
_openeventfired = true;
if (Open != null) Open(_currentcanvas);
}
}
}
